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Thyroid Disorders Message Board
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Old 10-31-2007, 09:10 AM   #1
Join Date: Oct 2006
Posts: 68
Seabreezes22 HB User
Do you have to fast for TSH, T3 and T4 blood test?

Long story short, I got blood drawn for antibodies, TSH, T3 and T4 during a fast, and the nurse/tech (whoever) did not run the TSH, T3 or T4 test, so I had it redrawn yesterday at the drs, but I did not fast for this test (I didn't know it wasn't done the first time) and I didn't know they were going to redraw the blood.
If so, how will it effect the results?

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Old 10-31-2007, 12:30 PM   #2
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Re: Do you have to fast for TSH, T3 and T4 blood test?

No, I don't believe there's any need to fast for thyroid bloodwork.

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